.content_all{
    overflow: hidden;
    position: relative;
}
.content {
    width: 98%;
    height: 95%;

    margin: 0 auto;
    margin-top: 1%;
    border-radius: 10px;
    overflow: hidden;

}
.content img{
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

.video_mask{
    width:650px;
    height: 400px;
    background-color: white;

    position: absolute;
    top:50%;
    left: 50%;
    z-index: 999;
    /*margin-left:-325px;*/
    /*margin-top: -175px;*/
    transform: translate(-50%,-50%);
    display: none;
    border-radius: 10px;
}
.video_mask_title{
    width: 100%;
    height:  50px;
    text-align: center;
    line-height: 60px;
    font-size: 22px ;
    letter-spacing:20px;
}
.clos{width: 40px;height: 40px;position: absolute;right: 5px;top: 5px}
.clos img{
    width: 100%;
    height: 100%;
}

/*实时视频*/
.content_img_postion{
    width: 30px;
    height: 50px;
    position: absolute;

}
.content_img_postion img{
    width: 100%;
    height: 100%;
}


/*精准农业 jznytb.png*/
.content_img_jzny{
    width: 30px;
    height: 50px;
    position: absolute;

}
.content_img_jzny img{
    width: 100%;
    height: 100%;
}



.float_text{
    width: 300px;
    height: 400px;
    position: absolute;
    left: 25%;
    top: 20%;
    display: none;
    overflow: auto;

}
.float_text_title{
    width: 100%;
    height: 50px;
    background-color: #1E2FC7;
    text-align: center;
    line-height: 50px;
    color: white;
}
.close{
    width: 30px;
    height: 30px;
    
    float: right;
    display: block;
    line-height: 30px;
    text-align: center;
}
.float_text_text{
    width: 100%;
    height: 350px;
    background-color: #1745D5;
    opacity: 0.9;
}
.float_text_text p{
    width: 95%;
    margin: 0 auto;
    line-height: 30px;
    text-indent: 2em;
    color: white;
}